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ISO 4821:2022

Plain bearings — Dynamic adhesion test method for DLC coated parts under lubricated condition ISO 4821:2022

Publication date:   May 18, 2022

General information

60.60 Standard published   May 18, 2022

ISO

ISO/TC 123/SC 7 Special types of plain bearings

International Standard

21.100.10   Plain bearings

Buying

Published

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Scope

This document specifies a procedure to measure the adhesion strength of diamond-like carbon (DLC) coatings specified in ISO 20523 by detecting acoustic emission signals using ball-on-disk method under the lubricated condition. DLC is normally coated on metal or ceramic.
The test results are not applicable when the DLC coated parts operate in an unlubricated environment.

Life cycle

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PUBLISHED
ISO 4821:2022
60.60 Standard published
May 18, 2022